Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Troubleshooting, Software-Defined Networking, Network Engineering, Network Monitoring, Virtual Networking, TCP/IP, Network Architecture, Computer Networking, Network Performance Management, Network Protocols, General Networking, Cybersecurity, Network Infrastructure, Network Administration, Local Area Networks, Network Analysis, OSI Models, Network Model, Network Routing
★ 4.6 (11) · Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Model Deployment, Health Informatics, Model Evaluation, Clinical Data Management, Healthcare Ethics, Model Training, Responsible AI, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Data Collection, Applied Machine Learning, Health Information Management, Health Care Procedure and Regulation, Data Ethics, Machine Learning Software, Machine Learning, Patient-centered Care, Artificial Intelligence, Fine-tuning, Performance Tuning
★ 4.7 (317) · Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Generative AI, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Machine Learning
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ArcGIS, Data Storytelling, GIS Software, Spatial Data Analysis, Data Presentation, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Geospatial Information and Technology, Heat Maps, Data Visualization Software, Network Analysis, Data Manipulation, Network Routing
★ 4.5 (131) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Site Reliability Engineering, Google Cloud Platform, Google App Engine, Identity and Access Management, Cloud Infrastructure, Kubernetes, Platform As A Service (PaaS), Cloud Platforms, Infrastructure As A Service (IaaS), Load Balancing, Virtual Machines, Cloud Services, Cloud API, Cloud Management, Infrastructure as Code (IaC), Containerization, Cloud Security, Cloud Computing, Serverless Computing, Cloud Computing Architecture
★ 4.6 (19) · Intermediate · Specialization · 3 - 6 Months
Google Cloud
Skills you'll gain: Presentations, Google Workspace, Productivity Software, Sales Presentations, Collaborative Software, Constructive Feedback, User Feedback, Data Sharing, Document Management, Data Visualization, Business Solutions, Version Control, Multimedia, Change Control
★ 4.9 (41) · Beginner · Course · 1 - 3 Months

Dell
Skills you'll gain: Rapport Building, Sales Presentation, Digital Transformation, Selling Techniques, Data Centers, General Sales Practices, Customer Relationship Building, Customer Insights, Consultative Selling, Sales Development, Sales, Sales Training, Customer Analysis, Technical Sales, Prospecting and Qualification, Outside Sales, Sales Strategy, Inside Sales, Technical Communication, Communication
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Hardware Design, Security Engineering, Computer Hardware, Hardware Architecture, Hardening, Computer Security, Threat Modeling, Threat Detection, Cybersecurity, Intrusion Detection and Prevention, Security Architecture Review, Application Specific Integrated Circuits, Cryptographic Protocols, Microarchitecture, Cryptography, Systems Design, Encryption, Exploitation techniques, Functional Design, Emerging Technologies
★ 4.3 (693) · Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Import/Export, Data Store, Cloud API, Health Informatics, Health Information Management, Health Technology, Application Programming Interface (API), Google Cloud Platform, Cloud-Based Integration, Health Care, Data Integration, Data Modeling, Cloud Storage
Beginner · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Information Privacy, Personally Identifiable Information, Document Management, Data Management, Data Governance, Law, Regulation, and Compliance, Record Keeping, Computer Security Awareness Training, Security Awareness, Procedure Development, Program Evaluation, End User Training and Support, Auditing
★ 4.8 (16) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months